ECONOMIC
Original Paper
UDC 338.45:622.6/.7© L.M. Fomicheva, O.N. Pronskaya., M.V. Zaitseva., E.M. Kiseleva., V.V. Kurennaya, 2023
ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2023, № 10, pp. 59-65
DOI: http://dx.doi.org/10.18796/0041-5790-2023-10-59-65
Title
FUEL SELECTION AND COMPARISON OF OPERATION OF AUTONOMOUS LOW-POWER HEAT SUPPLY SYSTEMS
Authors
Fomicheva L.M.1, Pronskaya O.N.1, Zaitseva M.V.2, Kiseleva E.M.1, Kurennaya V.V.1
1 Moscow Polytechnic University, Moscow, 107023, Russian Federation
2 I.T. Trubilin Kuban State Agrarian University, Krasnodar, 350044, Russian Federation
Authors information
Fomicheva L.M., PhD (Economic), Associate Professor
Pronskaya O.N., Doctor of Economic Sciences, Associate Professor
Zaitseva M.V., PhD (Economic), Associate Professor,
Kiseleva E.M., PhD (Economic), Associate Professor
Kurennaya V.V., Doctor of Economic Sciences, Professor
Abstract
In the context of the search for efficient and environmentally acceptable methods of heat supply to various facilities, the analysis and comparison of gas and coal heating systems are of paramount importance. This research question is especially relevant for remote and northern regions of Russia, where gas supply may be limited or impossible. The purpose of this study is to compare gas and coal heating systems in terms of their economic, technical and environmental efficiency. The paper used data on the characteristics and operation of gas and coal heating systems, as well as methods of mathematical analysis and statistical processing to calculate the key parameters of the efficiency of these systems. The analysis showed that coal systems have a higher coefficient of thermal conductivity (k = 0.05 W/m · °C), a higher rate of change of heat flux (210,000 W), a high density of material (1300 kg/m3) and a wider temperature field in the room (22 °C to 18 °C). While gas systems are characterized by a higher specific heat capacity of the material (840 J / kg · ° C) and a more stable temperature field in the room (20 ° C to 17 ° C). The results of the study emphasize that the choice between gas and coal heating systems should be based on the specific conditions and needs of the facility, while both types of systems have their advantages and disadvantages.
Keywords
Energy efficiency, Gas emission, Condensing boiler, Convection boiler, Environmental sustainability.
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For citation
Fomicheva L.M., Pronskaya O.N., Zaitseva M.V. & Kiseleva E.M., Kurennaya V.V. Fuel selection and comparison of operation of autonomous low-power heat supply systems. Ugol’, 2023, (10), pp. 59-65. (In Russ.). DOI: 10.18796/0041-5790-2023-10-59-65.
Paper info
Received September 3, 2023
Reviewed September 14, 2023
Accepted September 26, 2023
